-35.28% is the change from 995 to 644
Calculation steps:
[( 644 - 995 ) ÷ 995] x 100 = -35.28%
Formula
Percentage change = [(644 - 995) / 995] x 100
Subtract the new number by the original number
644 - 995 = -351
-351 ÷ 995 = -0.3527638190954774
-0.3527638190954774 x 100 = -35.28%